Relativistic hydrodynamical model in the presence of long-range correlations (2009)
Effects of dynamical long-range correlations over a fluid cell size scale on a relativistic fluid are discussed. It is shown that such correlations among the fluid elements introduced into...
Nonextensive hydrodynamics for relativistic heavy-ion collisions (2007)
The nonextensive one-dimensional version of a hydrodynamical model for multiparticle production processes is proposed and discussed. It is based on nonextensive statistics assumed in the form...
F. Grassi, Y. Hama, T. Kodama, O. Socolowski, C. E. Aguiar, R. Andrade, ...
Comparison Between Classification Using Impact Parameter and Using Number of Participants in Relativistic Nuclear Collisions
Extended Gaussian ensemble or q-statistics in hadronic production processes? (2005)
Osada, T., Utyuzh, O. V., Wilk, G., Wlodarczyk, Z.
The extended Gaussian ensemble introduced recently as a generalization of the canonical ensemble, which allows to treat energy fluctuations present in the system, is used to analyze the inelasticity...
Aguiar,C.E., Andrade,R., Grassi,F., Hama,Y., Kodama,T., Osada,T., ...
Using the hydrodynamical code NeXSPheRIO, we compare predictions as usually done in hydrodynamics, using centrality windows defined through the impact parameter, and as obtainable experimentally,...
Enhancement of the irreversibility field by carbon substitution in single crystal MgB$_2$ (2003)
Ohmichi, E., Masui, T., Lee, S., Tajima, S., Osada, T.
We report the detailed study of the irreversibility field {\hirr} of single crystals of Mg(B$_{1-x}$C$_{x}$)$_2$ ($x$=0, 2, 3.5, 5 and 7%) in strong magnetic fields of up to 40 T. High sensitive...
Koshino, M., Aoki, H., Osada, T., Kuroki, K., Kagoshima, S.
We give a perspective on the Hofstadter butterfly (fractal energy spectrum in magnetic fields), which we have shown to arise specifically in three-dimensional(3D) systems in our previous work. (i) We...
Field-Induced SDW and Butterfly Spectrum in Three Dimensions (2001)
Koshino, M., Aoki, H., Osada, T.
Landau's quantization for incompletely nested Fermi surfaces is known to give rise to magnetic-field-induced spin-density waves(FISDW) in two-dimensional organic metals. Here we show that...
Event-by-event fluctuations in hydrodynamical description of heavy-ion collisions (2001)
Aguiar, C. E., Hama, Y., Kodama, T., Osada, T.
Effects caused by the event-by-event fluctuation of the initial conditions in hydrodynamical description of high-energy heavy-ion collisions are investigated. Non-negligible effects appear for...
Osada, T., Aguiar, C. E., Hama, Y., Kodama, T.
The method of smoothed particle hydrodynamics (SPH) is applied for ultra-relativistic heavy-ion collisions. The SPH method has several advantages in studying event-by-event fluctuations, which...
Hofstadter butterfly and integer quantum Hall effect in three dimensions (2000)
Koshino, M., Aoki, H., Kuroki, K., Kagoshima, S., Osada, T.
For a three-dimensional lattice in magnetic fields we have shown that the hopping along the third direction, which normally tends to smear out the Landau quantization gaps, can rather give rise to a...
Smoothed Particle Hydrodynamics for Relativistic Heavy Ion Collisions (2000)
Aguiar, C. E., Kodama, T., Osada, T., Hama, Y.
The method of smoothed particle hydrodynamics (SPH) is developped appropriately for the study of relativistic heavy ion collision processes. In order to describe the flow of a high energy but low...
Coulomb Effect: A Possible Probe for the Evolution of Hadronic Matter (1999)
Electromagnetic field produced in high-energy heavy-ion collisions contains much useful information, because the field can be directly related to the motion of the matter in the whole stage of the...
Biyajima, M., Sano, S., Osada, T.
Recently DELPHI Collaboration reported new data on Bose-Einstein correlations (BEC) measured in e+e- -> W^+W^- events. Apparently no enhancement has been observed. We have analyzed these data...
Statistical model analysis of multiparticle correlations in e^+e^- annihilation (1998)
Osada, T., Maruyama, M., Takagi, F.
A new statistical model for multiparticle production in $e^+e^-$ annihilation is proposed based on the idea of the longitudinal phase space with limited transverse momentum. The longitudinal rapidity...
Biyajima, M., Osada, T., Takei, K.
A pure birth stochastic process with several initial conditions is considered.We analyze multiplicity distributions of e^+e^- collisions and e-p collisions, usigthe Modified Negative Binomial...
Osada, T., Nakajima, N., Biyajima, M., Suzuki, N.
We analyze various data of multiplicity distributions by means of the Modified Negative Binomial Distribution (MNBD) and its KNO scaling function, since this MNBD explains the oscillating behavior of...
Final State Interactions in Bose-Einstein Correlations (1997)
Biyajima, M., Mizoguchi, T., Osada, T., Wilk, G.
We are presenting here the new formulae for Bose-Einstein correlations (BEC) which contain effects of final state interactions (FSI) of both strong (in $s$-wave) and electromagnetic origin. We...
Osada, T., Biyajima, M., Wilk, G.
Recently we have found that integral of the squared Coulomb wave function describing systemcomposed of charged pion and central charged fragment $Z_{eff}$ protons, $|\psi_r(r)|^2$, times pion source...
Coulomb and strong interactions for Bose-Einstein correlations (1996)
Osada, T., Sano, S., Biyajima, M.
We present an analytical formula for the Bose-Einstein correlations (BEC) which includes effects of both Coulomb and strong final stateinteractions (FSI). It was obtained by using Coulomb wave...
What information can we obtain from the yield ratio $\pi^-/\pi^+$ in heavy-ion collisions ? (1996)
Osada, T., Sano, S., Biyajima, M., Wilk, G.
The recently reported data on the yield ratio $\pi^-/\pi^+$ in central rapidity region of heavy-ion collisions are analyzed by theoretical formula which accounts for Coulomb interaction between...
Osada, T., Sano, S., Biyajima, M., Wilk, G.
We applied an analytical formula for Bose-Einstein correlations (BEC) developed by us recently to high-energy heavy ion collisions, in particular to data on S+Pb$\to\pi^+$-$\pi^+$+X reaction at...
Mizoguchi, M. Biyajima T., Osada, T., Wilk, G.
We applied an improved Coulomb correction method developed by us recently to data on identical KK-pairs production in S + Pb and p + Pb reactions at 200 GeV/c obtained by NA44 Collaboration. To...
Improved Coulomb Correction Formulae for Bose-Einstein Correlations (1995)
Biyajima, M., Mizoguchi, T., Osada, T., Wilk, G.
We present improved Coulomb correction formulae for Bose-Einstein correlations including also exchange term and use them to calculate appropriate correction factors for several source functions. It...
The expert system for toxicity prediction of chemicals based on structure-activity relationship.
Nakadate, M, Hayashi, M, Sofuni, T, Kamata, E, Aida, Y, Osada, T, ...
The prediction systems of chemical toxicity has been developed by means of structure-activity relationship based on the computerized fact database (BL-DB). Numbers and ratio of elements, side chains,...
The expert system for toxicity prediction of chemicals based on structure-activity relationship.
Nakadate, M, Hayashi, M, Sofuni, T, Kamata, E, Aida, Y, Osada, T, ...
The prediction systems of chemical toxicity has been developed by means of structure-activity relationship based on the computerized fact database (BL-DB). Numbers and ratio of elements, side chains,...
Osada, T, Watanabe, S, Tanaka, H, Hirose, M, Miyazaki, A, Sato, N
BACKGROUND—Various factors affect gastric wound healing. The influence of physical stimulation on gastric mucosal cells during the process of gastric wound healing is not completely...
Intramuscular fatty acid metabolism in contracting and non-contracting human skeletal muscle
Sacchetti, M, Saltin, B, Osada, T, Van Hall, G
The present study was undertaken to investigate the fate of blood-borne non-esterified fatty acids (NEFA) entering contracting and non-contracting knee extensor muscles of healthy young individuals....
Tomozawa, S, Nagawa, H, Tsuno, N, Hatano, K, Osada, T, Kitayama, J, ...
It is proposed that non-steroidal anti-inflammatory drugs (NSAIDs) reduce colorectal tumorigenesis by inhibition of cyclooxygenase (COX). COX is a key enzyme in the conversion of arachidonic acid to...
Laminin mediates tethering and spreading of colon cancer cells in physiological shear flow
Kitayama, J, Nagawa, H, Tsuno, N, Osada, T, Hatano, K, Sunami, E, ...
Tomozawa, S, Tsuno, N H, Sunami, E, Hatano, K, Kitayama, J, Osada, T, ...
Epidemiological studies have demonstrated that nonsteroidal anti-inflammatory drugs (NSAIDs), known to inhibit cyclooxygenase (COX), reduce the risk of colorectal cancer. COX is a key enzyme in...